Gummy Bear Lab - Lab Report (With Answers)

Gummy Bear Lab - Lab Report (With Answers) - Nitish Nimma...

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Diffusion Lab Mitchell T. Heaton Introduction: This is a very basic lab that helps clarify the concepts of diffusion and osmosis. Diffusion is the tendency for molecules to spread out evenly into the available space. Osmosis is the diffusion of water across a selectively permeable membrane. These concepts will be shown using the elementary example of water and gummy bears. These familiar materials should help show the concepts universality in the biological world and develop an improved understanding of diffusion and osmosis. Objective: To show the diffusion of water across the membrane through an increase of mass and size. Hypothesis: The gummy bear will become distorted and enlarged approximately twice its original size. Materials: 1 Gummy bear 1 Dixie Cup 1 Piece of glad wrap 1 Ruler 1 Scale 20 mL of water Methods: 1. Take your gummy bear and make various measurements including length, height, and width. Find your gummy bear’s mass in grams. 2. Place the gummy bear in the Dixie cup and then fill it with approximately 20
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This note was uploaded on 02/26/2012 for the course GENERAL 101 taught by Professor None during the Spring '12 term at Aurora University.

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Gummy Bear Lab - Lab Report (With Answers) - Nitish Nimma...

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